Обсуждение: How to dump data from database?
Hi! Tell me please is there any way to dump data from current session (instead of using pg_dump) ? igor mailto:go@ugnn.ru
On Mon, Apr 04, 2005 at 11:18:08AM +0400, go wrote: > > Tell me please is there any way to dump data from current session > (instead of using pg_dump) ? What exactly are you trying to do? Will COPY (or psql's \copy) do what you want? -- Michael Fuhr http://www.fuhr.org/~mfuhr/
I would like to "pg_dump -Fc MyDataBase>archiv.dat" ( maybe there is any SQL command or something else) . in case with COPY command I have to copy each table one by one. And pls one small question - what query will return me a list of tables in database ( \l - works only in psql)? Thanks! MF> On Mon, Apr 04, 2005 at 11:18:08AM +0400, go wrote: >> >> Tell me please is there any way to dump data from current session >> (instead of using pg_dump) ? MF> What exactly are you trying to do? Will COPY (or psql's \copy) do MF> what you want?
On Apr 4, 2005, at 5:11 AM, go wrote: > And pls one small question - what query will return me a list > of tables in database ( \l - works only in psql)? Startup of psql with the -E option (or use \set ECHO_HIDDEN 1). Then psql will show you the query it uses for \l or any other \ command. John DeSoi, Ph.D. http://pgedit.com/ Power Tools for PostgreSQL
On Mon, Apr 04, 2005 at 01:11:20PM +0400, go wrote: > > I would like to "pg_dump -Fc MyDataBase>archiv.dat" ( maybe there is > any SQL command or something else) . > in case with COPY command I have to copy each table one by one. I suppose you could write a function in a procedural language like PL/Perl, PL/Python, or PL/Tcl that runs pg_dump, but why do you need to do this from SQL? Why can't you just run pg_dump from outside the database? -- Michael Fuhr http://www.fuhr.org/~mfuhr/
[Please copy the mailing list on replies.] On Tue, Apr 05, 2005 at 08:07:47AM +0400, go wrote: > MF> On Mon, Apr 04, 2005 at 01:11:20PM +0400, go wrote: > >> > >> I would like to "pg_dump -Fc MyDataBase>archiv.dat" ( maybe there is > >> any SQL command or something else) . > >> in case with COPY command I have to copy each table one by one. > > MF> I suppose you could write a function in a procedural language like > MF> PL/Perl, PL/Python, or PL/Tcl that runs pg_dump, but why do you > MF> need to do this from SQL? Why can't you just run pg_dump from > MF> outside the database? > > Pls, write a small sample of the function . Could you tell us why you want to run pg_dump from SQL? What problem are you trying to solve? -- Michael Fuhr http://www.fuhr.org/~mfuhr/
Hi, Michael. I would like to add the possibility of archiving database from application. I cannt add archiving in schedule - because there is no server running all day round . And in the end of day any user can dump database when neccesary. (there is some problems with running script which can pg_dump database . the problem is : windows applications , such as pg_dump.exe make all messages in wrong encoding in russian and i cannt explane dummy users what to do) Thanks for replay! MF> Could you tell us why you want to run pg_dump from SQL? What problem MF> are you trying to solve? -- go mailto:go@ugnn.ru